Coffee machine



FIG. 1 is a front view of a coffee machine.

FIG. 2 is a left side view of the coffee machine of FIG. 1 .

FIG. 3 is a rear view of the coffee machine of FIG. 1 .

FIG. 4 is a right side view of the coffee machine of FIG. 1 .

FIG. 5 is a bottom view of the coffee machine of FIG. 1 .

FIG. 6 is a top view of the coffee machine of FIG. 1 ; and,

FIG. 7 is a front right perspective view of the coffee machine of FIG. 1 . 

CLAIM The ornamental design for a coffee machine, as shown and described. 